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This more or less works for me, but I'd have to have it written down somewhere. Maybe on a slate on the hang gear. To sidetrack things a bit, how about Morse or sign language? I wish I spoke sign. I've seen deaf divers underwater and been jealous. And, as an option to the full face mask, how about some kind of small, easily deployable, habitat? It would improve comm, at least with the tender, and might help in case of convulsion. I'm not sure how this would work, I'm just opening discussion. Something like the habitrough (a watering trough used as a small habitat) might work: fill the trough with air, and breath O2 from a reg while inside it. It's pretty complex, and there is a lot of gear and weighting associated with it, and a diver convulsing in it would probably still end up aspirating water, so I'm not sure this is a good idea. Maybe some kind of tough bag (with a window) over the diver's head. If the diver convulses and drops his reg, the exhaled gas trapped in the bag would be very high in O2 (maybe too high, but better than drowning). The bag would be very bouyant, however, since it would need to store several lungfulls to keep the O2 content high enough long enough. #----------------------------------------------------# Roger Carlson H 310-frogger Somewhere off Hermosa Beach, CA W 310-813-0858 Roger_Carlson@at*.sp*.tr*.co* F 310-812-1363 #----------------------------------------------------#
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